functions.php

 /**
  * Redirect to a specific page when clicking on Continue Shopping in the single product page
  *
  * @return void
  */
 function wc_custom_redirect_continue_shopping( $message ) {

     if ( strpos( $message, __( 'View Cart', 'woocommerce' ) ) !== false ) {
            $message = str_replace( esc_url( wc_get_page_permalink( 'cart' ) ), esc_url( wc_get_page_permalink( 'shop' ) ), $message );
            $message = str_replace( __( 'View Cart', 'woocommerce' ), esc_html__( 'Continue Shopping', 'woocommerce' ), $message );
     }

     return $message;
 }
 add_filter( 'wc_add_to_cart_message', 'wc_custom_redirect_continue_shopping' );